{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:IB2PTR5VVFQFFFCAY6OYUPKB6G","short_pith_number":"pith:IB2PTR5V","canonical_record":{"source":{"id":"1011.2781","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-11T21:45:33Z","cross_cats_sorted":[],"title_canon_sha256":"2f84331ca58945bc1986072b50759949206f6f9140d01f207a111724a5846468","abstract_canon_sha256":"02a5f343aae46472bb3bf514cf5cc3d608b0140482b66658eb21052350dfe938"},"schema_version":"1.0"},"canonical_sha256":"4074f9c7b5a960529440c79d8a3d41f193960b0ca8c52c2b245c455d66c4401d","source":{"kind":"arxiv","id":"1011.2781","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.2781","created_at":"2026-05-18T02:04:48Z"},{"alias_kind":"arxiv_version","alias_value":"1011.2781v2","created_at":"2026-05-18T02:04:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.2781","created_at":"2026-05-18T02:04:48Z"},{"alias_kind":"pith_short_12","alias_value":"IB2PTR5VVFQF","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IB2PTR5VVFQFFFCA","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IB2PTR5V","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:IB2PTR5VVFQFFFCAY6OYUPKB6G","target":"record","payload":{"canonical_record":{"source":{"id":"1011.2781","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-11T21:45:33Z","cross_cats_sorted":[],"title_canon_sha256":"2f84331ca58945bc1986072b50759949206f6f9140d01f207a111724a5846468","abstract_canon_sha256":"02a5f343aae46472bb3bf514cf5cc3d608b0140482b66658eb21052350dfe938"},"schema_version":"1.0"},"canonical_sha256":"4074f9c7b5a960529440c79d8a3d41f193960b0ca8c52c2b245c455d66c4401d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:48.530299Z","signature_b64":"rOBacd0DAN3IlF0g0DIBusJAXCxZIbmJtsa++xKLlY9s1cRGwMrFHVEDq0ZoflWHsfZBE8aaZwHgtekZ5I43Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4074f9c7b5a960529440c79d8a3d41f193960b0ca8c52c2b245c455d66c4401d","last_reissued_at":"2026-05-18T02:04:48.529469Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:48.529469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.2781","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:04:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qrMLaB3LT/gdyL6Irr018+IYr+ZGy/JjC4aV7F2jQTwfpXyxN6g1jEIPRxrNm5yi2hgjPPpw5lcTB04RG86qCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:16:44.128892Z"},"content_sha256":"e551056e8eb7d24683aef7b22090896236616f8cd2860171e99eaffa48ede18e","schema_version":"1.0","event_id":"sha256:e551056e8eb7d24683aef7b22090896236616f8cd2860171e99eaffa48ede18e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:IB2PTR5VVFQFFFCAY6OYUPKB6G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measuring the Galaxy Cluster Bulk Flow from WMAP data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"D.S.Y. Mak, E. Pierpaoli, S.E. Church, S.J. Osborne","submitted_at":"2010-11-11T21:45:33Z","abstract_excerpt":"We have looked for bulk motions of galaxy clusters in the WMAP~7 year data. We isolate the kinetic Sunyaev-Zeldovich (SZ) signal by filtering the WMAP Q, V and W band maps with multi-frequency matched filters, that utilize the spatial properties of the kinetic SZ signal to optimize detection. We try two filters: a filter that has no spectral dependence, and a filter that utilizes the spectral properties of the kinetic and thermal SZ signals to remove the thermal SZ bias. We measure the monopole and dipole spherical harmonic coefficients of the kinetic SZ signal, as well as the $\\ell=2-5$ modes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.2781","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:04:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hm0KdL0i8hCols1mHfch28eTgCsCeMK3jmyXIw1Lu1JFhv9YsCgotU+r0njQSRzdb5VYni88DppQpb0toeyNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:16:44.129593Z"},"content_sha256":"4abbeb407b4ebeb307baa50dbdbd78c931419a82c011cb40fff69828148c590a","schema_version":"1.0","event_id":"sha256:4abbeb407b4ebeb307baa50dbdbd78c931419a82c011cb40fff69828148c590a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IB2PTR5VVFQFFFCAY6OYUPKB6G/bundle.json","state_url":"https://pith.science/pith/IB2PTR5VVFQFFFCAY6OYUPKB6G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IB2PTR5VVFQFFFCAY6OYUPKB6G/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-26T21:16:44Z","links":{"resolver":"https://pith.science/pith/IB2PTR5VVFQFFFCAY6OYUPKB6G","bundle":"https://pith.science/pith/IB2PTR5VVFQFFFCAY6OYUPKB6G/bundle.json","state":"https://pith.science/pith/IB2PTR5VVFQFFFCAY6OYUPKB6G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IB2PTR5VVFQFFFCAY6OYUPKB6G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:IB2PTR5VVFQFFFCAY6OYUPKB6G","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"02a5f343aae46472bb3bf514cf5cc3d608b0140482b66658eb21052350dfe938","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-11T21:45:33Z","title_canon_sha256":"2f84331ca58945bc1986072b50759949206f6f9140d01f207a111724a5846468"},"schema_version":"1.0","source":{"id":"1011.2781","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.2781","created_at":"2026-05-18T02:04:48Z"},{"alias_kind":"arxiv_version","alias_value":"1011.2781v2","created_at":"2026-05-18T02:04:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.2781","created_at":"2026-05-18T02:04:48Z"},{"alias_kind":"pith_short_12","alias_value":"IB2PTR5VVFQF","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IB2PTR5VVFQFFFCA","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IB2PTR5V","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:4abbeb407b4ebeb307baa50dbdbd78c931419a82c011cb40fff69828148c590a","target":"graph","created_at":"2026-05-18T02:04:48Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We have looked for bulk motions of galaxy clusters in the WMAP~7 year data. We isolate the kinetic Sunyaev-Zeldovich (SZ) signal by filtering the WMAP Q, V and W band maps with multi-frequency matched filters, that utilize the spatial properties of the kinetic SZ signal to optimize detection. We try two filters: a filter that has no spectral dependence, and a filter that utilizes the spectral properties of the kinetic and thermal SZ signals to remove the thermal SZ bias. We measure the monopole and dipole spherical harmonic coefficients of the kinetic SZ signal, as well as the $\\ell=2-5$ modes","authors_text":"D.S.Y. Mak, E. Pierpaoli, S.E. Church, S.J. Osborne","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-11T21:45:33Z","title":"Measuring the Galaxy Cluster Bulk Flow from WMAP data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.2781","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:e551056e8eb7d24683aef7b22090896236616f8cd2860171e99eaffa48ede18e","target":"record","created_at":"2026-05-18T02:04:48Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"02a5f343aae46472bb3bf514cf5cc3d608b0140482b66658eb21052350dfe938","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-11T21:45:33Z","title_canon_sha256":"2f84331ca58945bc1986072b50759949206f6f9140d01f207a111724a5846468"},"schema_version":"1.0","source":{"id":"1011.2781","kind":"arxiv","version":2}},"canonical_sha256":"4074f9c7b5a960529440c79d8a3d41f193960b0ca8c52c2b245c455d66c4401d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4074f9c7b5a960529440c79d8a3d41f193960b0ca8c52c2b245c455d66c4401d","first_computed_at":"2026-05-18T02:04:48.529469Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:48.529469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rOBacd0DAN3IlF0g0DIBusJAXCxZIbmJtsa++xKLlY9s1cRGwMrFHVEDq0ZoflWHsfZBE8aaZwHgtekZ5I43Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:48.530299Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.2781","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e551056e8eb7d24683aef7b22090896236616f8cd2860171e99eaffa48ede18e","sha256:4abbeb407b4ebeb307baa50dbdbd78c931419a82c011cb40fff69828148c590a"],"state_sha256":"b972660369eec1f2e15f502ee47a7cf8e6ae829ed431923eed041dd833af8f6a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dsyRRj+wvp7lVhDxgLSIYu3A9hA9Ke5i6t/vgVMOWwdObRy+JHhWe9RwttxbPMK0kCBZ5k/Xon7JqMX8LHuFBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:16:44.132628Z","bundle_sha256":"9bf7aee26f58f909819abb44a7a60379fb1abf3aa2455d2b4502ba22712ff873"}}